Event-Triggered Control for Nonlinear Systems Under Unreliable Communication Links

• Published in: IEEE transactions on fuzzy systems Vol. 25; no. 4; pp. 813 - 824
• Main Authors: Li, Hongyi, Chen, Ziran, Wu, Ligang, Lam, Hak-Keung
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.08.2017; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Computer simulation; Control stability; Control systems; Data integrity; Data losses; Data models; Delays; Discrete time systems; Event triggered control; event-triggered scheme; Networked control systems; networked control systems (NCSs); Nonlinear control; Nonlinear systems; polynomial fuzzy model; Propagation losses; Sampled data; Stability analysis; Transmitters
• ISSN: 1063-6706; 1941-0034
• DOI: 10.1109/TFUZZ.2016.2578346

This paper is concerned with the event-triggered H ∞ control problem for discrete-time nonlinear networked control systems with unreliable communication links. First, an event-triggered scheme is proposed to determine whether the sampled data should be released into the network or not. Second, when the released data is transmitted in the network, a Bernoulli process is employed to model the phenomenon of data losses. Third, considering the instants at which the sampled data is not released or data losses occur, a new random process is first developed to model the input data sequence of the controller under the effect of the buffer. Consequently, a novel method is presented to address the stability analysis and control synthesis problems based on the polynomial fuzzy model approach. Finally, some simulation results are given to illustrate the effectiveness of the proposed method.